Enhanced Versatility: The included 1/4 x 1/2 reducing bushing makes this unit adaptable to multiple pipe diameters and manifold types

the 650-P is equipped with a test button to verify control functionality and an integrated status indicator light for rapid visual diagnostics

Use a multimeter to check for 24V at the coil

providing a stable proportional control signal response required for demanding HVAC ventilation control sequences

Optimized Amperage Draw: Rated at 115V/60Hz

Carrier 17122000002495 Control Board 322027-701 Enhanced Versatility: The included 1/4The Carrier 17122000002495 Control Board is a critical OEM replacement main circuit board designed for precise regulation of logic functions in specific Carrier, Bryant, and Payne HVAC systems. As a foundational component for system communication, this Carrier furnace control board manages the ignition sequence, blower motor timing, and safety circuit monitoring. Technical failure in the original board often manifests as intermittent limit switch